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8 Cards in this Set

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How does the Triune Brain come into human ethology?
Reptilian brain--fixed action patterns
Paleomammalian--involved in emotions parental care, separation calls, and play
Neomammalian--suppression/regulation of fixed action patterns
What did experiments with the hamster reveal about behavior patterns?
-Removing neocortex does not impair instinctive behaviors: sex, food getting, fighting, parental care, play
-Removal of limbic system: damages maternal behavior and play, leaves others intact
Who was Irenaus Eibl-Eibesfeldt?
Austrian ethologist--filmed naturalistc behaviors of humans (with the reflex lense)
What is the human greeting response?
A friend is seen and recognized, a smile occurs, and a brief eyebrow-flash follows
What does the eyebrow flash demonstrate?
social contact readiness
What are the two types of smiles?
-Natural (Duchenne): lip corners pulled up (zygomatic major), muscles arond the eye contract (obicularis oculi, pars lateralis), associated with enjoyment
-Intentional: lip corners pulled up (zygomatic major), false/masking smiles
What did the studies on brain damaged patients reveal regarding smiles?
Parkinson's patients (damage to basal ganglia) -- impaired natural smiling but preserved intentional smiling
-Natural (Duchenne) smiles mediated by reptilian brain
Cortical brain damage -- impaired intentional smiling but preserve d natural smiling
-Intentional smiles mediated by neomammalian brain
How are infants/children designed to release parent care?
Crying-releases helping behavior
Appearance (large heads, protruding foreheads, large eyes, high brows, small lower faces, short/stubby limbs)
Smiling-releases friendly attraction & rewards the mother